| Comparison of Early Clinical Result of Deep Anterior Lamellar Keratoplasty Using FSlaser Versus Manual Trephine. |
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Eun Yeong Kim, Jin Heung Park, Yong Eun Lee, Choun Ki Joo |
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Department of Ophthalmology and Visual Science, The Catholic University of Korea School of Medicine, Seoul, Korea. ckjoo@catholic.ac.kr |
| 펨토초 레이저와 매뉴얼 트레파인을 이용한 심부표층각막이식의 초기 임상성적 비교 |
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김근영⋅박진형⋅이용은⋅주천기 |
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Department of Ophthalmology and Visual Science, The Catholic University of Korea School of Medicine, Seoul, Korea |
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| Abstract |
PURPOSE
To compare outcomes of femtosecond laser-enabled deep anterior lamellar keratoplasty (IE-DALK) versus manual trephine using deep anterior lamellar keratoplasty (Manual DALK, M-DALK). METHODS: Seventeen eyes from 17 patients underwent manual deep anterior lamellar keratoplasty, and femtosecond laser-enabled deep anterior lamellar keratoplasty was performed in 13 eyes of 13 patients. Postoperative clinical outcomes such as best corrected visual acuity, refractive astigmatism, keratometric astigmatism, endothelial cell density were compared between the two groups. RESULTS: The mean log MAR best spectacle-corrected visual acuity (BSCVA) was 0.31 +/- 0.17, 0.23 +/- 0.15, 0.18 +/- 0.14 in the IE-DALK group, and 0.55 +/- 0.41, 0.45 +/- 0.28, 0.35 +/- 0.22 (p = 0.056, p = 0.025, p = 0.313) in the M-DALK group at postoperative 2, 4, and 6 months respectively. The mean keratometric cylinder was 5.35 +/- 1.57, 4.24 +/- 1.97, 3.65 +/- 1.31 in the IE-DALK, 8.32 +/- 2.75, 6.80 +/- 2.50, 4.54 +/- 1.25 (p = 0.031, p = 0.041, p = 0.370) in the M-DALK group at postoperative 2, 4, and 6 months respectively. Endothelial cell counts in the two groups did not differ significantly at postoperative 6 months. CONCLUSIONS: The IE-DALK showed better results in BSCVA and keratometric astigmatism in the early postoperative period, in comparison with the M-DALK, and can be considered as a valuable method in deep anterior lamellar keratoplasty. |
| Key Words:
Deep anterior lamellar keratoplasty;Endothelial cell density;Femtosecond laser |
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